An object stays at rest unless a force acts on it.
The nucleolus is like a cookbook. The cookbook shows how to make food, and the nucleolus shows how to make proteins.
the 2 things you should describe about a force that acts on an object is the size and direction
A force that acts on an object, but does not cause any movement (specifically, a change in velocity) of the object, is (by Newton's law) equally and opposite balanced by other forces.
changes the motion of the object
The nucleolus is like a copy machine.
A brain
Nucleolus
The nucleolus is a small region inside the nucleus of a cell.
a mayor functions like a nucleolus would...
The nucleolus is like a cookbook because cookbooks show you how to make food like the nucleolus shows how to make proteins.
inline object
inline object
It acts like a recycling system in a city.
As this is a complex issue, the best answers can be found online at Wikipedia under the terms of Nucleolus. Matter is a nebulous term that can have many different meanings, and it is not clear from the question what is intended.
Shapes
A push or pull that acts on an object is a force.